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From Gerasimos Dimitriadis: 

DTAP decoding of Mobile Station Classmark 3 (R6).
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3886

svn path=/trunk/; revision=29398
This commit is contained in:
Anders Broman 2009-08-12 22:40:13 +00:00
parent 8fd6301ddc
commit 088110624e
1 changed files with 237 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

258
epan/dissectors/packet-gsm_a_common.c
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@ -389,6 +389,50 @@ static const value_string eight_psk_multislot_power_prof_vals[] = {
{ 0, NULL}
};
static const value_string t_gsm_400_bands_supported_vals[] = {
{ 1, "T-GSM 380 supported, T-GSM 410 not supported" },
{ 2, "T-GSM 410 supported, T-GSM 380 not supported" },
{ 3, "T-GSM 410 supported, T-GSM 380 supported" },
{ 0, NULL}
};
static const value_string downlink_adv_receiver_perf_vals[] = {
{ 0, "Downlink Advanced Receiver Performance not supported" },
{ 1, "Downlink Advanced Receiver Performance - phase I supported" },
{ 2, "Downlink Advanced Receiver Performance - phase II supported" },
{ 0, NULL}
};
static const value_string dtm_enhancements_cap_vals[] = {
{ 0, "The mobile station does not support enhanced DTM CS establishment and release procedures" },
{ 1, "The mobile station supports enhanced DTM CS establishment and release procedures" },
{ 0, NULL}
};
static const value_string offset_required_vals[] = {
{ 0, "The mobile station does not require the offset" },
{ 1, "The mobile station requires the offset" },
{ 0, NULL}
};
static const value_string dtm_gprs_high_multi_slot_class_vals[] = {
{ 0, "Unused. If received, the network shall interpret this as \"0 0 1\"" },
{ 1, "Multislot class 31 or 36 supported" },
{ 2, "Multislot class 32 or 37 supported" },
{ 3, "Multislot class 33 or 38 supported" },
{ 4, "Multislot class 41 supported" },
{ 5, "Multislot class 42 supported" },
{ 6, "Multislot class 43 supported" },
{ 7, "Multislot class 44 supported" },
{ 0, NULL}
};
static const value_string repeated_acch_cap_vals[] = {
{ 0, "The mobile station does not support Repeated SACCH" },
{ 1, "The mobile station supports Repeated SACCH and Repeated Downlink FACCH" },
{ 0, NULL}
};
/* Initialize the protocol and registered fields */
static int proto_a_common = -1;
@ -476,7 +520,7 @@ static int hf_gsm_a_cm3_A5_bits = -1;
static int hf_gsm_a_umts_fdd_rat_cap = -1;
static int hf_gsm_a_umts_384_mcps_tdd_rat_cap = -1;
static int hf_gsm_a_cdma_2000_rat_cap = -1;
static int hf_gsm_a_dtm_e_gprs_info_present = -1;
static int hf_gsm_a_dtm_e_gprs_multi_slot_info_present = -1;
static int hf_gsm_a_dtm_gprs_multi_slot_class = -1;
static int hf_gsm_a_single_slot_dtm = -1;
static int hf_gsm_a_dtm_egprs_multi_slot_class_present = -1;
@ -487,7 +531,7 @@ static int hf_gsm_a_gsm_750_assoc_radio_cap_present = -1;
static int hf_gsm_a_gsm_750_assoc_radio_cap = -1;
static int hf_gsm_a_umts_128_mcps_tdd_rat_cap = -1;
static int hf_gsm_a_geran_feature_package_1 = -1;
static int hf_gsm_a_ext_dtm_e_gprs_info_present = -1;
static int hf_gsm_a_ext_dtm_e_gprs_multi_slot_info_present = -1;
static int hf_gsm_a_ext_dtm_gprs_multi_slot_class = -1;
static int hf_gsm_a_ext_dtm_egprs_multi_slot_class = -1;
static int hf_gsm_a_high_multislot_cap_present = -1;
@ -499,6 +543,19 @@ static int hf_gsm_a_flo_iu_cap = -1;
static int hf_gsm_a_geran_feature_package_2 = -1;
static int hf_gsm_a_gmsk_multislot_power_prof = -1;
static int hf_gsm_a_8_psk_multislot_power_prof = -1;
static int hf_gsm_a_t_gsm_400_band_info_present = -1;
static int hf_gsm_a_t_gsm_400_bands_supported = -1;
static int hf_gsm_a_t_gsm_400_assoc_radio_cap = -1;
static int hf_gsm_a_t_gsm_900_assoc_radio_cap_present = -1;
static int hf_gsm_a_t_gsm_900_assoc_radio_cap = -1;
static int hf_gsm_a_downlink_adv_receiver_perf = -1;
static int hf_gsm_a_dtm_enhancements_cap = -1;
static int hf_gsm_a_dtm_e_gprs_high_multi_slot_info_present = -1;
static int hf_gsm_a_dtm_gprs_high_multi_slot_class = -1;
static int hf_gsm_a_offset_required = -1;
static int hf_gsm_a_dtm_egprs_high_multi_slot_class_present = -1;
static int hf_gsm_a_dtm_egprs_high_multi_slot_class = -1;
static int hf_gsm_a_repeated_acch_cap = -1;
static int hf_gsm_a_geo_loc_type_of_shape = -1;
static int hf_gsm_a_geo_loc_sign_of_lat = -1;
@ -1962,8 +2019,10 @@ de_ms_cm_3(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *ad
guint32 bits_left, target_bit_offset;
guint64 multi_bnd_sup_fields, rsupport, multislotCapability, msMeasurementCapability, msPosMethodCapPresent;
guint64 ecsdMultiSlotCapability, eightPskStructPresent, gsm400BandInfoPresent, gsm850AssocRadioCapabilityPresent;
guint64 gsm1900AssocRadioCapabilityPresent, dtmEGprsInfoPresent, dtmEgprsMultiSlotClassPresent, singleBandSupport;
guint64 gsm750AssocRadioCapabilityPresent, extDtmEGprsInfoPresent, highMultislotCapPresent, geranIuModeSupport;
guint64 gsm1900AssocRadioCapabilityPresent, dtmEGprsMultiSlotInfoPresent, dtmEgprsMultiSlotClassPresent, singleBandSupport;
guint64 gsm750AssocRadioCapabilityPresent, extDtmEGprsMultiSlotInfoPresent, highMultislotCapPresent, geranIuModeSupport;
guint64 tGsm400BandInfoPresent, tGsm900AssocRadioCapabilityPresent, dtmEGprsHighMultiSlotInfoPresent;
guint64 dtmEgprsHighMultiSlotClassPresent;
curr_offset = offset;
@ -2228,10 +2287,10 @@ de_ms_cm_3(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *ad
* {0 | 1< DTM EGPRS Multi Slot Class : bit(2) > } }
* Extract DTM E/GPRS Information presence
*/
proto_tree_add_bits_ret_val(tree, hf_gsm_a_dtm_e_gprs_info_present, tvb, bit_offset, 1, &dtmEGprsInfoPresent, FALSE);
proto_tree_add_bits_ret_val(tree, hf_gsm_a_dtm_e_gprs_multi_slot_info_present, tvb, bit_offset, 1, &dtmEGprsMultiSlotInfoPresent, FALSE);
bit_offset = bit_offset + 1;
if(dtmEGprsInfoPresent == 1)
if(dtmEGprsMultiSlotInfoPresent == 1)
{
/* Extract DTM GPRS Multi Slot Class */
proto_tree_add_bits_item(tree, hf_gsm_a_dtm_gprs_multi_slot_class, tvb, bit_offset, 2, FALSE);
@ -2316,10 +2375,10 @@ de_ms_cm_3(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *ad
* < Extended DTM EGPRS Multi Slot Class : bit(2) > }
* Extract Extended DTM E/GPRS Information presence
*/
proto_tree_add_bits_ret_val(tree, hf_gsm_a_ext_dtm_e_gprs_info_present, tvb, bit_offset, 1, &extDtmEGprsInfoPresent, FALSE);
proto_tree_add_bits_ret_val(tree, hf_gsm_a_ext_dtm_e_gprs_multi_slot_info_present, tvb, bit_offset, 1, &extDtmEGprsMultiSlotInfoPresent, FALSE);
bit_offset = bit_offset + 1;
if(extDtmEGprsInfoPresent == 1)
if(extDtmEGprsMultiSlotInfoPresent == 1)
{
/* Extract Extended DTM GPRS Multi Slot Class */
proto_tree_add_bits_item(tree, hf_gsm_a_ext_dtm_gprs_multi_slot_class, tvb, bit_offset, 2, FALSE);
@ -2433,16 +2492,106 @@ de_ms_cm_3(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *ad
}
}
/*
* Release 6 starts here
*
* { 0 | 1 < T-GSM 400 Bands Supported : { 01 | 10 | 11 } > -- Release 6 starts here.
* < T-GSM 400 Associated Radio Capability: bit(4) > }
*/
proto_tree_add_bits_ret_val(tree, hf_gsm_a_t_gsm_400_band_info_present, tvb, bit_offset, 1, &tGsm400BandInfoPresent, FALSE);
bit_offset = bit_offset + 1;
if(tGsm400BandInfoPresent == 1)
{
/* Extract T-GSM 400 Bands Supported */
proto_tree_add_bits_item(tree, hf_gsm_a_t_gsm_400_bands_supported, tvb, bit_offset, 2, FALSE);
bit_offset = bit_offset + 2;
/* Extract T-GSM 400 Associated Radio Capability */
proto_tree_add_bits_item(tree, hf_gsm_a_t_gsm_400_assoc_radio_cap, tvb, bit_offset, 4, FALSE);
bit_offset = bit_offset + 4;
}
/* { 0 | 1 < T-GSM 900 Associated Radio Capability: bit(4) > }
* Extract T-GSM 900 Associated Radio Capability presence
*/
proto_tree_add_bits_ret_val(tree, hf_gsm_a_t_gsm_900_assoc_radio_cap_present, tvb, bit_offset, 1, &tGsm900AssocRadioCapabilityPresent, FALSE);
bit_offset = bit_offset + 1;
if(tGsm900AssocRadioCapabilityPresent == 1)
{
/* Extract T-GSM 900 Associated Radio Capability */
proto_tree_add_bits_item(tree, hf_gsm_a_t_gsm_900_assoc_radio_cap, tvb, bit_offset, 4, FALSE);
bit_offset = bit_offset + 4;
}
/* < Downlink Advanced Receiver Performance : bit (2)>
* Extract Downlink Advanced Receiver Performance
*/
proto_tree_add_bits_item(tree, hf_gsm_a_downlink_adv_receiver_perf, tvb, bit_offset, 2, FALSE);
bit_offset = bit_offset + 2;
/* < DTM Enhancements Capability : bit >
* Extract DTM Enhancements Capability
*/
proto_tree_add_bits_item(tree, hf_gsm_a_dtm_enhancements_cap, tvb, bit_offset, 1, FALSE);
bit_offset = bit_offset + 1;
/* { 0 | 1 < DTM GPRS High Multi Slot Class : bit(3) >
* < Offset required : bit>
* { 0 | 1 < DTM EGPRS High Multi Slot Class : bit(3) > } }
* Extract DTM E/GPRS High Multi Slot Information presence
*/
proto_tree_add_bits_ret_val(tree, hf_gsm_a_dtm_e_gprs_high_multi_slot_info_present, tvb, bit_offset, 1, &dtmEGprsHighMultiSlotInfoPresent, FALSE);
bit_offset = bit_offset + 1;
if(dtmEGprsHighMultiSlotInfoPresent == 1)
{
/* Extract DTM GPRS High Multi Slot Class */
proto_tree_add_bits_item(tree, hf_gsm_a_dtm_gprs_high_multi_slot_class, tvb, bit_offset, 3, FALSE);
bit_offset = bit_offset + 3;
/* Extract Offset Required */
proto_tree_add_bits_item(tree, hf_gsm_a_offset_required, tvb, bit_offset, 1, FALSE);
bit_offset = bit_offset + 1;
/* Extract DTM EGPRS High Multi Slot Class Presence */
proto_tree_add_bits_ret_val(tree, hf_gsm_a_dtm_egprs_high_multi_slot_class_present, tvb, bit_offset, 1, &dtmEgprsHighMultiSlotClassPresent, FALSE);
bit_offset = bit_offset + 1;
/* Extract DTM EGPRS High Multi Slot Class */
if (dtmEgprsMultiSlotClassPresent == 1)
{
proto_tree_add_bits_item(tree, hf_gsm_a_dtm_egprs_high_multi_slot_class, tvb, bit_offset, 3, FALSE);
bit_offset = bit_offset + 3;
}
}
/* < Repeated ACCH Capability : bit >
* Extract Repeated ACCH Capability
*/
proto_tree_add_bits_item(tree, hf_gsm_a_repeated_acch_cap, tvb, bit_offset, 1, FALSE);
bit_offset = bit_offset + 1;
/*
* Data in bit stream for this release end here
* Do not proceed to next release data if all that is
* left is < 8 all zero bits
*/
bits_left = ((len + offset) << 3) - bit_offset;
if (bits_left == 0)
return(len);
if (bits_left < 8)
{
if (tvb_get_bits8(tvb, bit_offset, bits_left) == 0)
{
proto_tree_add_bits_item(tree, hf_gsm_a_spare_bits, tvb, bit_offset, bits_left, FALSE);
return(len);
}
}
/*
{ 0 | 1 < T-GSM 400 Bands Supported : { 01 | 10 | 11 } > -- Release 6 starts here.
< T-GSM 400 Associated Radio Capability: bit(4) > }
{ 0 | 1 < T-GSM 900 Associated Radio Capability: bit(4) > }
< Downlink Advanced Receiver Performance : bit (2)>
< DTM Enhancements Capability : bit >
{ 0 | 1 < DTM GPRS High Multi Slot Class : bit(3) >
< Offset required : bit>
{ 0 | 1 < DTM EGPRS High Multi Slot Class : bit(3) > } }
< Repeated ACCH Capability : bit >
{ 0 | 1 <GSM 710 Associated Radio Capability : bit(4)>} -- Release 7 starts here.
{ 0 | 1 <T-GSM 810 Associated Radio Capability : bit(4)>}
< Ciphering Mode Setting Capability : bit >
@ -3092,8 +3241,8 @@ proto_register_gsm_a_common(void)
FT_UINT8, BASE_DEC, VALS(cdma_2000_rat_cap_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_e_gprs_info_present,
{ "DTM E/GPRS Information present", "gsm_a.classmark3.dtm_e_gprs_info_present",
{ &hf_gsm_a_dtm_e_gprs_multi_slot_info_present,
{ "DTM E/GPRS Multi Slot Information present", "gsm_a.classmark3.dtm_e_gprs_multi_slot_info_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
@ -3147,8 +3296,8 @@ proto_register_gsm_a_common(void)
FT_UINT8, BASE_DEC, VALS(geran_feature_package_1_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_ext_dtm_e_gprs_info_present,
{ "Extended DTM E/GPRS Information present", "gsm_a.classmark3.ext_dtm_e_gprs_info_present",
{ &hf_gsm_a_ext_dtm_e_gprs_multi_slot_info_present,
{ "Extended DTM E/GPRS Multi Slot Information present", "gsm_a.classmark3.ext_dtm_e_gprs_info_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
@ -3207,6 +3356,73 @@ proto_register_gsm_a_common(void)
FT_UINT8, BASE_DEC, VALS(eight_psk_multislot_power_prof_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_t_gsm_400_band_info_present,
{ "T-GSM 400 Band Information present", "gsm_a.classmark3.gsm_400_band_info_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_t_gsm_400_bands_supported,
{ "T-GSM 400 Bands Supported", "gsm_a.classmark3.t_gsm_400_bands_supported",
FT_UINT8, BASE_HEX, VALS(t_gsm_400_bands_supported_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_t_gsm_400_assoc_radio_cap,
{ "T-GSM 400 Associated Radio Capability", "gsm_a.classmark3.t_gsm_400_assoc_radio_cap",
FT_UINT8, BASE_HEX, NULL, 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_t_gsm_900_assoc_radio_cap_present,
{ "T-GSM 900 Associated Radio Capability present", "gsm_a.classmark3.t_gsm_900_assoc_radio_cap_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_t_gsm_900_assoc_radio_cap,
{ "T-GSM 900 Associated Radio Capability", "gsm_a.classmark3.t_gsm_900_assoc_radio_cap",
FT_UINT8, BASE_HEX, NULL, 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_downlink_adv_receiver_perf,
{ "Downlink Advanced Receiver Performance", "gsm_a.classmark3.downlink_adv_receiver_perf",
FT_UINT8, BASE_DEC, VALS(downlink_adv_receiver_perf_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_enhancements_cap,
{ "DTM Enhancements Capability", "gsm_a.classmark3.dtm_enhancements_capability",
FT_UINT8, BASE_DEC, VALS(dtm_enhancements_cap_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_e_gprs_high_multi_slot_info_present,
{ "DTM E/GPRS High Multi Slot Information present", "gsm_a.classmark3.dtm_e_gprs_high_mutli_slot_info_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_gprs_high_multi_slot_class,
{ "DTM GPRS Multi Slot Class", "gsm_a.classmark3.dtm_gprs_multi_slot_class",
FT_UINT8, BASE_DEC, VALS(dtm_gprs_high_multi_slot_class_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_offset_required,
{ "Offset required", "gsm_a.classmark3.offset_required",
FT_UINT8, BASE_DEC, VALS(offset_required_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_egprs_high_multi_slot_class_present,
{ "DTM EGPRS High Multi Slot Class present", "gsm_a.classmark3.dtm_egprs_high_multi_slot_class_present",
FT_UINT8, BASE_DEC, VALS(true_false_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_dtm_egprs_high_multi_slot_class,
{ "DTM EGPRS High Multi Slot Class", "gsm_a.classmark3.dtm_egprs_high_multi_slot_class",
FT_UINT8, BASE_DEC, VALS(dtm_gprs_high_multi_slot_class_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_repeated_acch_cap,
{ "Repeated ACCH Capability", "gsm_a.classmark3.repeated_acch_cap",
FT_UINT8, BASE_DEC, VALS(repeated_acch_cap_vals), 0x00,
NULL, HFILL}
},
{ &hf_gsm_a_geo_loc_type_of_shape,
{ "Location estimate","gsm_a.gad.location_estimate",
FT_UINT8,BASE_DEC, VALS(type_of_shape_vals), 0xf0,